Cannondale Seatpost Binder Clamp 30.9mm | For 27.2mm Seatposts | OEM

Cannondale Factory Replacement Seatpost Binder Clamp & Bolt – KP159

This original Cannondale factory seatpost binder clamp is designed for frames with a 30.9mm seat tube diameterusing a 27.2mm seatpost. Manufactured to OEM specifications, it ensures proper clamping force, correct fit, and long-term durability—restoring factory-correct seatpost security.

Ideal for replacement, service, or frame refreshes on compatible Cannondale road and cyclocross bikes.

Key Features & Benefits

• Genuine Cannondale OEM replacement part

• Correct clamp diameter for Cannondale frames with 30.9mm seat tubes

• Designed for 27.2mm seatposts

• Includes seatpost clamp and bolt

• Restores proper seatpost retention and factory fit

• Lightweight, durable construction

Specifications

• Clamp Diameter (Frame OD): 30.9mm

• Seatpost Diameter: 27.2mm

• Bolt Included: Yes

• Brand: Cannondale (OEM)

• Manufacturer Part Number: KP159

Compatibility

Fits bikes with a 30.9mm outer seat tube diameter designed for 27.2mm seatposts.

Where Used OEM:

• CAAD10 (2010–2015)

• CAAD9 (2011–2016)

• CAAD8 (2009–2010)

• CAADX (2012–2016)

⚠️ Always confirm your frame’s seat tube outer diameter before ordering.

Recommended Use

• Replacing a damaged or missing seatpost clamp

• Restoring OEM fit on Cannondale aluminum frames

• Routine service or frame refresh

Why Buy OEM?

Using genuine Cannondale hardware ensures:

• Correct clamping force without damaging the seatpost

• Proper fit and alignment

• Long-term durability

• Factory-correct appearance and resale value

A direct-fit Cannondale OEM seatpost clamp—perfect for keeping your CAAD or CAADX bike dialed and secure.